The physical laws of gas
Tuesday, March 23rd, 2010To properly absorb and understand the physiological processes involved in breathing, incorporating a simple, different physical laws governing the gas. This is a reminder level terminal S.
I – Ideal Gas Law
Gases are compressible, and expand at an elevated temperature. This law, called the ideal gas law, relates the pressure P, volume V and temperature T of a gas in the following formula:
PV = nRT where
- n represents the number of molecules per gram of gas,
- R is the gas constant
- T is expressed in absolute temperature (T c 273 °)
Note that under physiological conditions “normal” correspond to 1 atmosphere is 760mmHg at 0 ° c (more…)